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Research interests
My research interests lie in pure mathematics, and specifically in algebraic geometry and representation theory. Much of my research applies explicit methods to improve our understanding of moduli spaces of quiver representations and their derived categories.
One motivating question is to ask for nice moduli descriptions of well known varieties. This is now understood for projective toric varieties and, more generally, for Mori Dream Spaces. This leads naturally to the study of multigraded linear series (also known as framed quiver varieties or quiver flag varieties) as ambient spaces in noncommutative algebraic geometry.Another theme of my research is to understand which algebraic varieties carry tilting bundles, thereby providing an explicit understanding of their derived category of coherent sheaves. The first known examples were provided by Beilinson and Kapranov, while many of the more recent examples have been influenced by the McKay correspondence in one form or another. Examples include framed quiver varieties, G-Hilbert schemes, moduli spaces arising in the study of consistent dimer model algebras, and smooth toric Fano varieties in low dimensions. These constructions lead to interesting questions about mutation, wall crossing phenomena and Bridgeland stability manifolds.
Education/Academic qualification
Mathematics, Doctor of Science, The McKay correspondence and representations of the McKay quiver, University of Warwick
Award Date: 12 Jul 2001
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Collaborations and top research areas from the last five years
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Alastair Craw - Bridgeland Stability and the Moveable Cone
Craw, A. (PI)
Engineering and Physical Sciences Research Council
3/04/13 → 2/10/16
Project: Research council
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All 81 crepant resolutions of a finite quotient singularity are hyperpolygon spaces
Craw, A., Bellamy, G., Schedler, T., Rayan, S. & Weiss, H., 31 Dec 2024, In: Journal of Algebraic Geometry. 33, 4, p. 757-793 37 p.Research output: Contribution to journal › Article › peer-review
Open Access -
The semi-invariant ring as the Cox ring of a GIT quotient
Craw, A., Bellamy, G. & Schedler, T., 2024, arXiv, 14 p.Research output: Working paper / Preprint › Preprint
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The Le Bruyn-Procesi Theorem and Hilbert schemes
Craw, A. & Yamagishi, R., 13 Dec 2023, (Submitted) arXiv, 33 p.Research output: Working paper / Preprint › Preprint
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Birational geometry of quiver varieties and other GIT quotients
Bellamy, G., Craw, A. & Schedler, T., 19 Dec 2022, arXiv.Research output: Working paper / Preprint › Preprint
File30 Downloads (Pure) -
An introduction to Hilbert schemes of points on ADE singularities
Craw, A., 15 Nov 2021, (Acceptance date) The McKay correspondence, mutation and related topics. Vol. 88. p. 119-157 (Advanced Studies in Pure Mathematics; vol. 88).Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding